Campaign Genius - Send dynamic email content through any platform, instantly.

Lob - A simple API to integrate print & mail solutions into your applications.

GMass - GMass allows you to easily schedule emails, send out mass emails and mail merge campaigns and more with Gmail! Click here to learn about more features!

PostGrid - Transform your Offline Communications. Use our fully-documented REST API to send personalized letters, checks, postcards and improve address accuracy.

MailChimp Snap - Send simple, photo-based email campaigns from your phone.

Postalytics - Automated direct mail software that’s faster, smarter & better. Postalytics sends personalized direct mail from your CRM and analyzes delivery & response.